spi: kirkwood: Drop nondm code

[platform/kernel/u-boot.git] / drivers / spi / kirkwood_spi.c

diff --git a/drivers/spi/kirkwood_spi.c b/drivers/spi/kirkwood_spi.c
index 3986b06..92dc2e1 100644 (file)
--- a/drivers/spi/kirkwood_spi.c
+++ b/drivers/spi/kirkwood_spi.c
@@ -19,6 +19,19 @@
 #endif
 #include <asm/arch-mvebu/spi.h>
 
+struct mvebu_spi_dev {
+       bool                    is_errata_50mhz_ac;
+};
+
+struct mvebu_spi_platdata {
+       struct kwspi_registers *spireg;
+       bool is_errata_50mhz_ac;
+};
+
+struct mvebu_spi_priv {
+       struct kwspi_registers *spireg;
+};
+
 static void _spi_cs_activate(struct kwspi_registers *reg)
 {
        setbits_le32(&reg->ctrl, KWSPI_CSN_ACT);
@@ -94,128 +107,6 @@ static int _spi_xfer(struct kwspi_registers *reg, unsigned int bitlen,
        return 0;
 }
 
-#ifndef CONFIG_DM_SPI
-
-static struct kwspi_registers *spireg =
-       (struct kwspi_registers *)MVEBU_SPI_BASE;
-
-#ifdef CONFIG_ARCH_KIRKWOOD
-static u32 cs_spi_mpp_back[2];
-#endif
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
-                               unsigned int max_hz, unsigned int mode)
-{
-       struct spi_slave *slave;
-       u32 data;
-#ifdef CONFIG_ARCH_KIRKWOOD
-       static const u32 kwspi_mpp_config[2][2] = {
-               { MPP0_SPI_SCn, 0 }, /* if cs == 0 */
-               { MPP7_SPI_SCn, 0 } /* if cs != 0 */
-       };
-#endif
-
-       if (!spi_cs_is_valid(bus, cs))
-               return NULL;
-
-       slave = spi_alloc_slave_base(bus, cs);
-       if (!slave)
-               return NULL;
-
-       writel(KWSPI_SMEMRDY, &spireg->ctrl);
-
-       /* calculate spi clock prescaller using max_hz */
-       data = ((CONFIG_SYS_TCLK / 2) / max_hz) + 0x10;
-       data = data < KWSPI_CLKPRESCL_MIN ? KWSPI_CLKPRESCL_MIN : data;
-       data = data > KWSPI_CLKPRESCL_MASK ? KWSPI_CLKPRESCL_MASK : data;
-
-       /* program spi clock prescaller using max_hz */
-       writel(KWSPI_ADRLEN_3BYTE | data, &spireg->cfg);
-       debug("data = 0x%08x\n", data);
-
-       writel(KWSPI_SMEMRDIRQ, &spireg->irq_cause);
-       writel(KWSPI_IRQMASK, &spireg->irq_mask);
-
-#ifdef CONFIG_ARCH_KIRKWOOD
-       /* program mpp registers to select  SPI_CSn */
-       kirkwood_mpp_conf(kwspi_mpp_config[cs ? 1 : 0], cs_spi_mpp_back);
-#endif
-
-       return slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
-#ifdef CONFIG_ARCH_KIRKWOOD
-       kirkwood_mpp_conf(cs_spi_mpp_back, NULL);
-#endif
-       free(slave);
-}
-
-__attribute__((weak)) int board_spi_claim_bus(struct spi_slave *slave)
-{
-       return 0;
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
-       return board_spi_claim_bus(slave);
-}
-
-__attribute__((weak)) void board_spi_release_bus(struct spi_slave *slave)
-{
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
-       board_spi_release_bus(slave);
-}
-
-#ifndef CONFIG_SPI_CS_IS_VALID
-/*
- * you can define this function board specific
- * define above CONFIG in board specific config file and
- * provide the function in board specific src file
- */
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
-       return bus == 0 && (cs == 0 || cs == 1);
-}
-#endif
-
-void spi_cs_activate(struct spi_slave *slave)
-{
-       _spi_cs_activate(spireg);
-}
-
-void spi_cs_deactivate(struct spi_slave *slave)
-{
-       _spi_cs_deactivate(spireg);
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
-            const void *dout, void *din, unsigned long flags)
-{
-       return _spi_xfer(spireg, bitlen, dout, din, flags);
-}
-
-#else
-
-/* Here now the DM part */
-
-struct mvebu_spi_dev {
-       bool                    is_errata_50mhz_ac;
-};
-
-struct mvebu_spi_platdata {
-       struct kwspi_registers *spireg;
-       bool is_errata_50mhz_ac;
-};
-
-struct mvebu_spi_priv {
-       struct kwspi_registers *spireg;
-};
-
 static int mvebu_spi_set_speed(struct udevice *bus, uint hz)
 {
        struct mvebu_spi_platdata *plat = dev_get_platdata(bus);
@@ -409,4 +300,3 @@ U_BOOT_DRIVER(mvebu_spi) = {
        .priv_auto_alloc_size = sizeof(struct mvebu_spi_priv),
        .probe = mvebu_spi_probe,
 };
-#endif